528816085 has 12 divisors (see below), whose sum is σ = 738184428. Its totient is φ = 362616576.

The previous prime is 528816083. The next prime is 528816109. The reversal of 528816085 is 580618825.

It can be written as a sum of positive squares in 2 ways, for example, as 293162884 + 235653201 = 17122^2 + 15351^2 .

It is not a de Polignac number, because 528816085 - 2¹ = 528816083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528816083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078972 + ... + 1079461.

It is an arithmetic number, because the mean of its divisors is an integer number (61515369).

Almost surely, 2^528816085 is an apocalyptic number.

It is an amenable number.

528816085 is a deficient number, since it is larger than the sum of its proper divisors (209368343).

528816085 is a wasteful number, since it uses less digits than its factorization.

528816085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158452 (or 2158445 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 528816085 is about 22996.0015002609. The cubic root of 528816085 is about 808.6642033259.

The spelling of 528816085 in words is "five hundred twenty-eight million, eight hundred sixteen thousand, eighty-five".